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प्रश्न
Choose the correct alternative:
The seasonal variation means the variations occurring with in
पर्याय
A number of years
within a year
within a month
within a week
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उत्तर
within a year
APPEARS IN
संबंधित प्रश्न
What is the need for studying time series?
Write a brief note on seasonal variations
Define seasonal index
State the two normal equations used in fitting a straight line
State the different methods of measuring trend
Choose the correct alternative:
A time series is a set of data recorded
Choose the correct alternative:
The value of ‘b’ in the trend line y = a + bx is
Fit a straight line trend by the method of least squares to the following data
| Year | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 |
| Sales | 50.3 | 52.7 | 49.3 | 57.3 | 56.8 | 60.7 | 62.1 | 58.7 |
The sum of the infinite series `x + (1 + 2)/(2!) x^2 + (1 + 2 + 3)/(3!) x^3 +` .... equals
Sum of the first n terms of the series `1/2 + 3/4 + 7/8 + 15/16 +`......... is equal to:
